/**
 * Copyright (c) 2003, 2010 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * Contributors:
 * IBM Corporation - initial API and implementation
 */

part of graph;

/**
 * Inverts any edges which are marked as backwards or "feedback" edges.
 * @author Daniel Lee
 * @since 2.1.2
 */
class InvertEdges extends GraphVisitor {
  /**
   * @see GraphVisitor#visit(org.eclipse.draw2d.graph.DirectedGraph)
   */
  void visit(DirectedGraph g) {
    for (int i = 0; i < g.edges.length; i++) {
      Edge e = g.edges[i];
      if (e.isFeedback) e.invert();
    }
  }
}
